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Old 26th September 2010, 01:08   #4
shooorn94
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Join Date: May 2007
Location: Midlands UK
Posts: 4,453
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Car(s): 1.1??
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Cheers Tom, sad thing is I'm unable to drive up to Stourbridge and if I did it'd cost me £40 to get there and back. Cats on ebay from downpipe to backbox are just £50. I'd buy it and wrap it up till next years MOT

Otherwise:

Update in full:

Car's came back today, got the welding sorted (and they did an ace job, much better than last time) and the brakes so that's two things sorted, it is now braking straight and true on my usual garages rollers after a test but I'll grease up the front brakes just to save arguments with the other petty garage.

I've now got my emissions readouts next to me and deciding what to do here as tbh if a bit of exhaust putty was applied to the leak around the cat join (looking at it today it appears that where my car has scraped going over a bump in the road it has caused the old putty to fall off, hence the leak!) and the car was warmed up significantly before the run I reckon it could pass.

The fast idle test was as follows:

CO = 0.459 fail
HC = 23 pass
Lambda = 1.053 fail

For those that don't know the CO is out by 0.159 and the Lambda is out by 0.23 here.

Second fast idle:

CO = 0.357 (so it was a tad better, out by just 0.057) FAIL
HC = 78 pass
Lambda = 1.133 (worse but out by 0.103 here) Fail.

It passed the natural idle test.

In comparison to last year (overfueling; braking the Emissions reader and forcing my usual garage to spend 2 grand on a new machine ) it's not bad and the lambda readout can be sorted by fixing the leak just after the lambda sensor. But as for a new cat? Really neccessary? I have a day to decide.
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